b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4

General

Target

file (1).exe
Size

1.5MB
MD5

a6a0f7c173094f8dafef996157751ecf
SHA1

c0dcae7c4c80be25661d22400466b4ea074fc580
SHA256

b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4
SHA512

965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94
SSDEEP

24576:mGIyixBMj+/A2d+UKnvT+LwZWj7iDDVVYrz0rbzGTw3DoA/sk6smE:mGbj+/BpKnvyIxVV/XDoAfmE

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

file (1).exe

pid process

1736 file (1).exe

pid	process
1736	file (1).exe

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

file (1).exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll"	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	file (1).exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 64 IoCs

Processes:

file (1).exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\Lang\th.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\hr.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\sw.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ru.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\uz-cyrl.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\bg.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\mng.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\fr.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ar.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\da.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\fi.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\gu.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\he.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\io.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\hi.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\hu.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ne.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\tk.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ba.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\es.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ku.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ug.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt-br.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\af.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\en.ttt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\pa-in.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\br.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ka.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\cs.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ext.txt	file (1).exe
File created	C:\Program Files\7-Zip\Lang\tk.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\7z.dll	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\mk.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\nn.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\lt.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\vi.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\et.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\gl.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ms.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\History.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\id.txt	file (1).exe
File created	C:\Program Files\7-Zip\Lang\sw.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ko.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ky.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\mr.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ps.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\pt.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ro.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\fur.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\fy.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\uk.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\readme.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ja.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\tr.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\zh-tw.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\fa.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\ga.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\nl.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\sr-spc.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\License.txt	file (1).exe
File opened for modification	C:\Program Files\7-Zip\7zCon.sfx	file (1).exe
File opened for modification	C:\Program Files\7-Zip\Lang\az.txt	file (1).exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 20 IoCs

Processes:

file (1).exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\7-Zip	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\ = "7-Zip Shell Extension"	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\DragDropHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip32.dll"	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Drive\shellex\DragDropHandlers\7-Zip	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ThreadingModel = "Apartment"	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{23170F69-40C1-278A-1000-000100020000}\InprocServer32\ = "C:\\Program Files\\7-Zip\\7-zip.dll"	file (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\7-Zip\ = "{23170F69-40C1-278A-1000-000100020000}"	file (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Directory\shellex\ContextMenuHandlers\7-Zip	file (1).exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

file (1).exe

pid process

1736 file (1).exe

pid	process
1736	file (1).exe

C:\Users\Admin\AppData\Local\Temp\file (1).exe
"C:\Users\Admin\AppData\Local\Temp\file (1).exe"
1⤵
- Loads dropped DLL
- Registers COM server for autorun
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:1736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Program Files\7-Zip\7zFM.exe

Filesize
935KB

MD5
d36deceeb4c9645aab2ded86608d090b

SHA1
912f4658c4b046fbadd084912f9126cb1ae3737b

SHA256
018d74ff917692124dee0a8a7e6302aecd219d79b049ad95f2f4eedea41b4a45

SHA512
9752a9e57dd2e6cd454ba6c2d041d884369734c2b62c53d3ec4854731c398cd6e25ac75f7a55cda9d4b4c2efb074cb2e6efcbf3080cd8cc7d9bc8c9a25f62ff2

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads